Expired, full termArchiveSolo inventor
(alkyl and o-alkyloxy alkyl)-o-alkyl-s-(1,2,2-trichloro-ethyl)-thionothiol phosphoric and phosphonic acid esters
US 3,732,341 A · Inventors: HAMMANN I et al.
Overview
The published document from the USPTO: abstract, claims, description and drawings. Open it full size
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Listed from its USPTO record in Patent Yard's full-term archive. Its claims, description and drawings are in the USPTO PDF and on Google Patents, and the Claude kit works from them.
Why it's free to use
- Granted May 8, 1973. A patent granted before 1976 lasted at most 17 years from grant, so its term ended by May 8, 1990.
- We check US rights only. Old patents can still inspire new ones: improvements may be patentable.
FiledJanuary 30, 1970
GrantedMay 8, 1973
Term endedMay 8, 1990
Application number—
Classification (CPC)A01N57/04 +2 more
Length9 pages
Timeline
Timeline From USPTO dates
Sources & verification
Official USPTO records
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Everything on this page comes from the USPTO record linked above.